Portable-electronic device



FIG. 1 is a perspective view of the portable-electronic device.

FIG. 2 is a front-elevational view thereof;

FIG. 3 is a right-side view thereof, where the left-side view is a mirror image;

FIG. 4 is a rear-elevational-view thereof;

FIG. 5 is a top-plan view thereof; and,

FIG. 6 is a bottom-plan view thereof.

The broken lines represent boundaries or environmental features, and form no part of the claimed design. 

The ornamental design for a portable-electronic device, as shown and described. 